/*
 * MIT License
 *
 * Copyright (c) 2023 北京凯特伟业科技有限公司
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
package com.je.bpm.engine.impl.util.condition;

import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.node.ObjectNode;
import com.je.bpm.core.model.SequenceFlow;
import com.je.bpm.engine.DynamicBpmnConstants;
import com.je.bpm.engine.delegate.DelegateExecution;
import com.je.bpm.engine.delegate.Expression;
import com.je.bpm.engine.impl.Condition;
import com.je.bpm.engine.impl.context.Context;
import com.je.bpm.engine.impl.el.UelExpressionCondition;
import org.apache.commons.lang3.StringUtils;

public class ConditionUtil {

    public static boolean hasTrueCondition(SequenceFlow sequenceFlow, DelegateExecution execution) {
        String conditionExpression = null;
        if (Context.getProcessEngineConfiguration().isEnableProcessDefinitionInfoCache()) {
            ObjectNode elementProperties = Context.getBpmnOverrideElementProperties(sequenceFlow.getId(), execution.getProcessDefinitionId());
            conditionExpression = getActiveValue(sequenceFlow.getConditionExpression(), DynamicBpmnConstants.SEQUENCE_FLOW_CONDITION, elementProperties);
        } else {
            conditionExpression = sequenceFlow.getConditionExpression();
        }
        if (StringUtils.isNotEmpty(conditionExpression)) {
            Expression expression = Context.getProcessEngineConfiguration().getExpressionManager().createExpression(conditionExpression);
            Condition condition = new UelExpressionCondition(expression);
            if (condition.evaluate(sequenceFlow.getId(), execution)) {
                return true;
            }
            return false;
        } else {
            return true;
        }

    }
    
    protected static String getActiveValue(String originalValue, String propertyName, ObjectNode elementProperties) {
        String activeValue = originalValue;
        if (elementProperties != null) {
            JsonNode overrideValueNode = elementProperties.get(propertyName);
            if (overrideValueNode != null) {
                if (overrideValueNode.isNull()) {
                    activeValue = null;
                } else {
                    activeValue = overrideValueNode.asText();
                }
            }
        }
        return activeValue;
    }

}
